/*
 * Copyright (c) 2014, Julien Bernard
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
#ifndef MM_VECTOR2_H
#define MM_VECTOR2_H

#include <iostream>

#include <cmath>

namespace mm {

  struct vector2 {
    double x;
    double y;
  };

  inline
  double norm(const vector2& vec) {
    return std::hypot(vec.x, vec.y);
  }

  inline
  double dot(const vector2& lhs, const vector2& rhs) {
    return lhs.x * rhs.x + lhs.y * rhs.y;
  }

}

#endif // MM_VECTOR2_H
